Questions
Two coils have a mutual inductance 0.005 H. The current changes in first coil according to equation sin wt where I0 = 2 A and rad/sec. The maximum value of emf in second coil is :
detailed solution
Correct option is D
e=MdIdt=0.005 x ddtI0 sinωt =0.005 I0 ω cosωt ⇒emax=0.005 x 2 x 100π=πTalk to our academic expert!
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